From 9bb0dbac56135556156d01b2867ef50ccd8ce8ed Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Sat, 28 Feb 2026 18:14:37 -0500
Subject: [PATCH] Update log with -h and r option for realtime

---
 log | 74 ++++++++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 56 insertions(+), 18 deletions(-)

diff --git a/log b/log
index f5b301c5..55f3c9c1 100755
--- a/log
+++ b/log
@@ -2,26 +2,64 @@
 
 echo -e "\nLog file script for CubeSatSim\n"
 
-echo "To exit, type Control-C"
+if [ "$1" = "-h" ]  ; then
+  echo "Displays systemd logs for the chose process.  The choices are:"
+  echo " -d cubesatsim (also no choice gives you this)"
+  echo " -t transmit "
+  echo " -c command and control"
+  echo "Default is the log is dumpted to the screen and written to a file."
+  echo "If an additional r is included, the log is realtime, and exits with a Control-C"
+  echo
+  exit
+fi
+
+REALTIME=0
+if [ "$2" = "r" ]  ; then
+  REALTIME=1
+fi
 
-echo
+if [ "$REALTIME" = "1" ]  ; then
 
-sleep 2
+  echo "To exit, type Control-C"
+  echo
+  sleep 2
+  
+  if [ "$1" = "-r" ] || [ "$1" = "-t" ] ; then
+    sudo journalctl -af -u transmit # > /home/pi/CubeSatSim/logt.txt 
+  #  cat /home/pi/CubeSatSim/logt.txt
+  #  echo -e "\nTransmit Log file also saved as /home/pi/CubeSatSim/logt.txt"
+  elif [ "$1" = "-c" ]; then
+    sudo journalctl -af -u command # > /home/pi/CubeSatSim/logc.txt 
+    cat /home/pi/CubeSatSim/logc.txt
+  #  echo -e "\nCommand and Control Log file also saved as /home/pi/CubeSatSim/logc.txt"
+  elif [ "$1" = "-p" ]; then
+    sudo journalctl -af -u pacsatsim # > /home/pi/CubeSatSim/logp.txt 
+    cat /home/pi/CubeSatSim/logp.txt
+  #  echo -e "\nCommand and Control Log file also saved as /home/pi/CubeSatSim/logp.txt"
+  else
+    sudo journalctl -af -u cubesatsim  # > /home/pi/CubeSatSim/log.txt 
+  #  cat /home/pi/CubeSatSim/log.txt
+  #  echo -e "\nLog file also saved as /home/pi/CubeSatSim/log.txt"
+  fi
 
-if [ "$1" = "-r" ] || [ "$1" = "-t" ] ; then
-  sudo journalctl -af -u transmit # > /home/pi/CubeSatSim/logt.txt 
-#  cat /home/pi/CubeSatSim/logt.txt
-#  echo -e "\nTransmit Log file also saved as /home/pi/CubeSatSim/logt.txt"
-elif [ "$1" = "-c" ]; then
-  sudo journalctl -af -u command # > /home/pi/CubeSatSim/logc.txt 
-  cat /home/pi/CubeSatSim/logc.txt
-#  echo -e "\nCommand and Control Log file also saved as /home/pi/CubeSatSim/logc.txt"
-elif [ "$1" = "-p" ]; then
-  sudo journalctl -af -u pacsatsim # > /home/pi/CubeSatSim/logp.txt 
-  cat /home/pi/CubeSatSim/logp.txt
-#  echo -e "\nCommand and Control Log file also saved as /home/pi/CubeSatSim/logp.txt"
 else
-  sudo journalctl -af -u cubesatsim  # > /home/pi/CubeSatSim/log.txt 
-#  cat /home/pi/CubeSatSim/log.txt
-#  echo -e "\nLog file also saved as /home/pi/CubeSatSim/log.txt"
+  
+  if [ "$1" = "-r" ] || [ "$1" = "-t" ] ; then
+    sudo journalctl -u transmit > /home/pi/CubeSatSim/logt.txt 
+    cat /home/pi/CubeSatSim/logt.txt
+    echo -e "\nTransmit Log file also saved as /home/pi/CubeSatSim/logt.txt"
+  elif [ "$1" = "-c" ]; then
+    sudo journalctl -u command > /home/pi/CubeSatSim/logc.txt 
+    cat /home/pi/CubeSatSim/logc.txt
+    echo -e "\nCommand and Control Log file also saved as /home/pi/CubeSatSim/logc.txt"
+  elif [ "$1" = "-p" ]; then
+    sudo journalctl -u pacsatsim > /home/pi/CubeSatSim/logp.txt 
+    cat /home/pi/CubeSatSim/logp.txt
+    echo -e "\nCommand and Control Log file also saved as /home/pi/CubeSatSim/logp.txt"
+  else
+    sudo journalctl -u cubesatsim  > /home/pi/CubeSatSim/log.txt 
+    cat /home/pi/CubeSatSim/log.txt
+    echo -e "\nLog file also saved as /home/pi/CubeSatSim/log.txt"
+  fi
+
 fi